Notes

Write-ups from watching the Office.js CDN: how Microsoft rolls out new builds across edges, what actually changed and what it means for Office add-ins.

• 20 Oct 2026What the new Office.js CDN endpoint actually changes

  officeapis.public.onecdn.static.microsoft serves the same Office.js as appsforoffice.microsoft.com, but its loader drops MicrosoftAjax and turns on Trusted Types.